Basic mkdir command examples in Linux
In this article, we’ll cover the mkdir command, which stands for make directories, and review basic mkdir command examples. Table of Contents Introduction David Mackenzie authored the mkdir command found in the GNU coreutils package, as documented in the Linux Manual pages. This command, originating in the 1970s, has become ubiquitous across various operating systems, […]
Write a play automating changes to the SSHD Configuration file
In today’s Ansible series, we will learn about automating changes using Ansible. Specifically, we will automate changes to the sshd config file. Table of Contents Introduction In this exercise, we will examine a playbook that automates a config change (resolves common SSH vulnerabilities) and …specifically makes a change to the sshd (sshd_config) configuration file on […]
How To Resolve SSH Weak Key Exchange Algorithms on CentOS7 or RHEL7
In this article, we will discuss SSH Weak Key Exchange Algorithms and how we can resolve them to enhance the security of SSH connections and protect against potential vulnerabilities and unauthorized access. Table of Contents Introduction On October 13, 2021, Tenable published the following SSH Vulnerability: SSH weak key exchange algorithms enabled giving it a low severity […]
Install PHP7 on CentOS7 or RHEL7
In this article, we will review how to Install PHP7 on CentOS7 or RHEL7, empowering you to harness the speed, efficiency, and enhanced features of the latest PHP version for your web development projects. Table of Contents Introduction PHP7, the latest major release of the PHP programming language, brings significant improvements in performance, memory usage, […]
Install Visual Studio (VS) Code on CentOS7
In this article, we review how to install VSCode on CentOS 7, providing step-by-step instructions to ensure a seamless setup of the Visual Studio Code editor on your CentOS 7 Linux system. Table of Contents Introduction If you are a software developer, you have certainly heard of Visual Studio (VS) Code. It is an open-source […]
Installing Apache Web (HTTP/HTTPS) Server on CentOS7
Looking to establish a reliable and secure web presence? Learn how to Install Apache web server on CentOS and unlock the potential of your website today. Table of Contents Introduction The Apache web server, commonly referred to as an HTTP/HTTPS server, is one of the most popular and widely used web servers in the world. […]
50 Commands Every Linux Sysadmin Should Know
In this article, we will review the top 50 Linux commands every Linux Sysadmin should know. Junior-level sysadmins and Linux enthusiasts are familiar with all of these commands and know how to use them. Table of Contents Introduction Before we begin, this is just my subjective view of the what belongs on the top 50 […]